The component with the lowest price in the MARK schematic is the Mark,rr.fork.
The Mark assembly is constructed from several parts from which the Mark,r.rad*type1* is the most expensive.
Parts such as the Mark: Mark,rr.fork, Mark,l.rad*type1*, Mark,r.rad*type1* are included in the Cr250r Elsinore 1989 (k) European Direct Sales Mark parts fiche.